bool get_msgpack_binary()

in impl/build/include/headers/json/json.hpp [9774:9879]

• 93 lines of code
• 34 McCabe index (conditional complexity)

    bool get_msgpack_binary(binary_t& result)
    {
        // helper function to set the subtype
        auto assign_and_return_true = [&result](std::int8_t subtype)
        {
            result.set_subtype(static_cast<std::uint8_t>(subtype));
            return true;
        };

        switch (current)
        {
            case 0xC4: // bin 8
            {
                std::uint8_t len{};
                return get_number(input_format_t::msgpack, len) &&
                       get_binary(input_format_t::msgpack, len, result);
            }

            case 0xC5: // bin 16
            {
                std::uint16_t len{};
                return get_number(input_format_t::msgpack, len) &&
                       get_binary(input_format_t::msgpack, len, result);
            }

            case 0xC6: // bin 32
            {
                std::uint32_t len{};
                return get_number(input_format_t::msgpack, len) &&
                       get_binary(input_format_t::msgpack, len, result);
            }

            case 0xC7: // ext 8
            {
                std::uint8_t len{};
                std::int8_t subtype{};
                return get_number(input_format_t::msgpack, len) &&
                       get_number(input_format_t::msgpack, subtype) &&
                       get_binary(input_format_t::msgpack, len, result) &&
                       assign_and_return_true(subtype);
            }

            case 0xC8: // ext 16
            {
                std::uint16_t len{};
                std::int8_t subtype{};
                return get_number(input_format_t::msgpack, len) &&
                       get_number(input_format_t::msgpack, subtype) &&
                       get_binary(input_format_t::msgpack, len, result) &&
                       assign_and_return_true(subtype);
            }

            case 0xC9: // ext 32
            {
                std::uint32_t len{};
                std::int8_t subtype{};
                return get_number(input_format_t::msgpack, len) &&
                       get_number(input_format_t::msgpack, subtype) &&
                       get_binary(input_format_t::msgpack, len, result) &&
                       assign_and_return_true(subtype);
            }

            case 0xD4: // fixext 1
            {
                std::int8_t subtype{};
                return get_number(input_format_t::msgpack, subtype) &&
                       get_binary(input_format_t::msgpack, 1, result) &&
                       assign_and_return_true(subtype);
            }

            case 0xD5: // fixext 2
            {
                std::int8_t subtype{};
                return get_number(input_format_t::msgpack, subtype) &&
                       get_binary(input_format_t::msgpack, 2, result) &&
                       assign_and_return_true(subtype);
            }

            case 0xD6: // fixext 4
            {
                std::int8_t subtype{};
                return get_number(input_format_t::msgpack, subtype) &&
                       get_binary(input_format_t::msgpack, 4, result) &&
                       assign_and_return_true(subtype);
            }

            case 0xD7: // fixext 8
            {
                std::int8_t subtype{};
                return get_number(input_format_t::msgpack, subtype) &&
                       get_binary(input_format_t::msgpack, 8, result) &&
                       assign_and_return_true(subtype);
            }

            case 0xD8: // fixext 16
            {
                std::int8_t subtype{};
                return get_number(input_format_t::msgpack, subtype) &&
                       get_binary(input_format_t::msgpack, 16, result) &&
                       assign_and_return_true(subtype);
            }

            default:           // LCOV_EXCL_LINE
                return false;  // LCOV_EXCL_LINE
        }
    }